1821796210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{839}}^1\times {\mathrm{16703}}^1$

素因数の和:17562

約数の個数: 32

約数和(自身を含む): 3535902720

約数和(自身を除く): 1714106510

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 839, 1678, 4195, 8390, 10907, 16703, 21814, 33406, 54535, 83515, 109070, 167030, 217139, 434278, 1085695, 2171390, 14013817, 28027634, 70069085, 140138170, 182179621, 364359242, 910898105, 1821796210]

約数ペア:

[(1, 1821796210), (2, 910898105), (5, 364359242), (10, 182179621), (13, 140138170), (26, 70069085), (65, 28027634), (130, 14013817), (839, 2171390), (1678, 1085695), (4195, 434278), (8390, 217139), (10907, 167030), (16703, 109070), (21814, 83515), (33406, 54535)]